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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "SkRadialGradient.h" | 9 #include "SkRadialGradient.h" |
10 #include "SkRadialGradient_Table.h" | 10 #include "SkRadialGradient_Table.h" |
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510 SkScalar stopsArray[kMaxRandomGradientColors]; | 510 SkScalar stopsArray[kMaxRandomGradientColors]; |
511 SkScalar* stops = stopsArray; | 511 SkScalar* stops = stopsArray; |
512 SkShader::TileMode tm; | 512 SkShader::TileMode tm; |
513 int colorCount = RandomGradientParams(random, colors, &stops, &tm); | 513 int colorCount = RandomGradientParams(random, colors, &stops, &tm); |
514 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateRadial(center, radius, | 514 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateRadial(center, radius, |
515 colors, stops,
colorCount, | 515 colors, stops,
colorCount, |
516 tm)); | 516 tm)); |
517 SkPaint paint; | 517 SkPaint paint; |
518 GrColor paintColor; | 518 GrColor paintColor; |
519 GrFragmentProcessor* fp; | 519 GrFragmentProcessor* fp; |
| 520 GrPaint grPaint; |
520 SkAssertResult(shader->asFragmentProcessor(context, paint, | 521 SkAssertResult(shader->asFragmentProcessor(context, paint, |
521 GrTest::TestMatrix(random), NULL, | 522 GrTest::TestMatrix(random), NULL, |
522 &paintColor, &fp)); | 523 &paintColor, grPaint.getShaderDat
aManager(), &fp)); |
523 return fp; | 524 return fp; |
524 } | 525 } |
525 | 526 |
526 ///////////////////////////////////////////////////////////////////// | 527 ///////////////////////////////////////////////////////////////////// |
527 | 528 |
528 void GrGLRadialGradient::emitCode(GrGLFPBuilder* builder, | 529 void GrGLRadialGradient::emitCode(GrGLFPBuilder* builder, |
529 const GrFragmentProcessor& fp, | 530 const GrFragmentProcessor& fp, |
530 const char* outputColor, | 531 const char* outputColor, |
531 const char* inputColor, | 532 const char* inputColor, |
532 const TransformedCoordsArray& coords, | 533 const TransformedCoordsArray& coords, |
533 const TextureSamplerArray& samplers) { | 534 const TextureSamplerArray& samplers) { |
534 const GrRadialGradient& ge = fp.cast<GrRadialGradient>(); | 535 const GrRadialGradient& ge = fp.cast<GrRadialGradient>(); |
535 this->emitUniforms(builder, ge); | 536 this->emitUniforms(builder, ge); |
536 SkString t("length("); | 537 SkString t("length("); |
537 t.append(builder->getFragmentShaderBuilder()->ensureFSCoords2D(coords, 0)); | 538 t.append(builder->getFragmentShaderBuilder()->ensureFSCoords2D(coords, 0)); |
538 t.append(")"); | 539 t.append(")"); |
539 this->emitColor(builder, ge, t.c_str(), outputColor, inputColor, samplers); | 540 this->emitColor(builder, ge, t.c_str(), outputColor, inputColor, samplers); |
540 } | 541 } |
541 | 542 |
542 ///////////////////////////////////////////////////////////////////// | 543 ///////////////////////////////////////////////////////////////////// |
543 | 544 |
544 bool SkRadialGradient::asFragmentProcessor(GrContext* context, const SkPaint& pa
int, | 545 bool SkRadialGradient::asFragmentProcessor(GrContext* context, const SkPaint& pa
int, |
545 const SkMatrix& viewM, | 546 const SkMatrix& viewM, |
546 const SkMatrix* localMatrix, GrColor*
paintColor, | 547 const SkMatrix* localMatrix, GrColor*
paintColor, |
547 GrFragmentProcessor** fp) const { | 548 GrShaderDataManager*, GrFragmentProce
ssor** fp) const { |
548 SkASSERT(context); | 549 SkASSERT(context); |
549 | 550 |
550 SkMatrix matrix; | 551 SkMatrix matrix; |
551 if (!this->getLocalMatrix().invert(&matrix)) { | 552 if (!this->getLocalMatrix().invert(&matrix)) { |
552 return false; | 553 return false; |
553 } | 554 } |
554 if (localMatrix) { | 555 if (localMatrix) { |
555 SkMatrix inv; | 556 SkMatrix inv; |
556 if (!localMatrix->invert(&inv)) { | 557 if (!localMatrix->invert(&inv)) { |
557 return false; | 558 return false; |
558 } | 559 } |
559 matrix.postConcat(inv); | 560 matrix.postConcat(inv); |
560 } | 561 } |
561 matrix.postConcat(fPtsToUnit); | 562 matrix.postConcat(fPtsToUnit); |
562 | 563 |
563 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); | 564 *paintColor = SkColor2GrColorJustAlpha(paint.getColor()); |
564 *fp = GrRadialGradient::Create(context, *this, matrix, fTileMode); | 565 *fp = GrRadialGradient::Create(context, *this, matrix, fTileMode); |
565 | 566 |
566 return true; | 567 return true; |
567 } | 568 } |
568 | 569 |
569 #else | 570 #else |
570 | 571 |
571 bool SkRadialGradient::asFragmentProcessor(GrContext*, const SkPaint&, const SkM
atrix&, | 572 bool SkRadialGradient::asFragmentProcessor(GrContext*, const SkPaint&, const SkM
atrix&, |
572 const SkMatrix*, GrColor*, | 573 const SkMatrix*, GrColor*, GrShaderDa
taManager*, |
573 GrFragmentProcessor**) const { | 574 GrFragmentProcessor**) const { |
574 SkDEBUGFAIL("Should not call in GPU-less build"); | 575 SkDEBUGFAIL("Should not call in GPU-less build"); |
575 return false; | 576 return false; |
576 } | 577 } |
577 | 578 |
578 #endif | 579 #endif |
579 | 580 |
580 #ifndef SK_IGNORE_TO_STRING | 581 #ifndef SK_IGNORE_TO_STRING |
581 void SkRadialGradient::toString(SkString* str) const { | 582 void SkRadialGradient::toString(SkString* str) const { |
582 str->append("SkRadialGradient: ("); | 583 str->append("SkRadialGradient: ("); |
583 | 584 |
584 str->append("center: ("); | 585 str->append("center: ("); |
585 str->appendScalar(fCenter.fX); | 586 str->appendScalar(fCenter.fX); |
586 str->append(", "); | 587 str->append(", "); |
587 str->appendScalar(fCenter.fY); | 588 str->appendScalar(fCenter.fY); |
588 str->append(") radius: "); | 589 str->append(") radius: "); |
589 str->appendScalar(fRadius); | 590 str->appendScalar(fRadius); |
590 str->append(" "); | 591 str->append(" "); |
591 | 592 |
592 this->INHERITED::toString(str); | 593 this->INHERITED::toString(str); |
593 | 594 |
594 str->append(")"); | 595 str->append(")"); |
595 } | 596 } |
596 #endif | 597 #endif |
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